Kubernetes Deployment Downward API Environment Variables

Deployment.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
    name: api-deployment
    labels:
        name: api-deployment
spec:
    replicas: 2
    selector:
        matchLabels:
            name: api-deployment
    strategy:
        type: RollingUpdate
        rollingUpdate:
            maxSurge: 50%
            maxUnavailable: 0
    template:
        metadata:
            labels:
                name: api-deployment
        spec:
            serviceAccountName: api-service-account
            containers:
                -   name: api-container
                    image: account-id.dkr.ecr.us-east-2.amazonaws.com/api
                    imagePullPolicy: Always
                    ports:
                        -   name: http
                            containerPort: 8080
                    env:
                        -   name: LOCAL_POD_SERVICE_ACCOUNT
                            valueFrom:
                                fieldRef:
                                    fieldPath: spec.serviceAccountName
                        -   name: LOCAL_POD_IP
                            valueFrom:
                                fieldRef:
                                    fieldPath: status.podIP
                        -   name: LOCAL_NODE_NAME
                            valueFrom:
                                fieldRef:
                                    fieldPath: spec.nodeName
                        -   name: LOCAL_POD_NAME
                            valueFrom:
                                fieldRef:
                                    fieldPath: metadata.name
                        -   name: LOCAL_POD_NAMESPACE
                            valueFrom:
                                fieldRef:
                                    fieldPath: metadata.namespace
                        -   name: LOCAL_NAMESPACE
                            valueFrom:
                                fieldRef:
                                    fieldPath: metadata.namespace
                    readinessProbe:
                        initialDelaySeconds: 10
                        periodSeconds: 15
                        httpGet:
                            port: 8080
                    livenessProbe:
                        initialDelaySeconds: 10
                        periodSeconds: 15
                        httpGet:
                            port: 8080